The teenager Min Ji-won is suffering from amnesia and being haunted by weird visions. When she meets her former high school friend Oh Yu-jeong, she receives a picture of her high school group of friends: Kim Eun-seo, who had recently died; Shin Mi-kyeong, who is in the hospital and Eun-jeong. Ji-won questions who took the picture, and when she visits her former friends, she recalls Han Su-in, a girl that was badly treated and humiliated by their group, disclosing her past and the fate of Su-in and finding a scary hidden truth.
Ryeong
A teenage girl suffering from amnesia discovers that she is somehow connected to a group of people who are being killed off one by one by a vengeful ghost.
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